: You must have every single numbered part of the archive downloaded and placed into the exact same folder on your computer. If even one part is missing or in a different location, the extraction will fail.

From the drop-down menu, hover over your extraction program and select or Extract to "Cmpdre/" .

The software will automatically read through part1 , pull data from the subsequent parts, and merge them back into the original file or folder without any extra clicks needed from you. What is multipart archive - GitHub Gist

Locate the in the sequence—in your case, Cmpdre.part1.rar . Right-click on Cmpdre.part1.rar .